Modbus: Add the ability to specify command_on, command_off for “hvac_onoff_register” in the “climates” configuration instead of using only 1 or 0

Feature Requests
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1

This will be useful for anyone with devices that have values other than 0 or 1 for this register. For example for my air conditioner I need to use values 0xAA, 0x55

2

No first hand experience, here, but a quick look at the doc seems to indicate it’s already possible

3

It’s possible for the hvac_mode_register but not the hvac_onoff_register. I have the same problem - my system uses 00 for off and 01 for on, and the hvac_onoff_register only sends 0 and 1.